docs: def show_nmea():
      """NMEA output in curses terminal"""
      data_window = curses.newwin(24, 79, 0, 0)
  
      for new_data in gpsd_socket:
          if new_data:
              screen.nodelay(1)
              key_press = screen.getch()
              if key_press == ord('q'):
                  shut_down()
              elif key_press == ord('j'):  # raw
                  gpsd_socket.watch(enable=False, gpsd_protocol='nmea')
                  gpsd_socket.watch(gpsd_protocol='json')
                  show_human()
  
              data_window.border(0)
              data_window.addstr(0, 2, 'AGPS3 Python {}.{}.{} GPSD Interface Showing NMEA protocol'.format(*sys.version_info), curses.A_BOLD)
              data_window.addstr(2, 2, '{}'.format(gpsd_socket.response))
              data_window.refresh()
          else:
              sleep(.1)